Optical properties of Si clusters and Si nanocrystallites in high-temperature annealed SiOx films

1998 ◽  
Vol 83 (4) ◽  
pp. 2228-2234 ◽  
Author(s):  
T. Inokuma ◽  
Y. Wakayama ◽  
T. Muramoto ◽  
R. Aoki ◽  
Y. Kurata ◽  
...  
Keyword(s):  
Optical Properties ◽  
High Temperature ◽  
Si Nanocrystallites

High-temperature-dependent optical properties of ZnO film on sapphire substrate

2008 ◽  
Vol 516 (6) ◽  
pp. 1137-1141 ◽  
Author(s):  
Chenghua Sui ◽  
Naibo Chen ◽  
Xiaojun Xu ◽  
Gaoyao Wei ◽  
Pinggen Cai ◽  
...  
Keyword(s):  
Optical Properties ◽  
High Temperature ◽  
Sapphire Substrate ◽  
Zno Film ◽  
Temperature Dependent

Development of Some Promising Approaches for The Toughening of High-Temperature Polymers

1998 ◽  
Vol 519 ◽  
Author(s):  
C. Kumudinie ◽  
J. K. Premachandra ◽  
J. E. Mark ◽  
T. D. Dang ◽  
M. R. Unroe ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Optical Properties ◽  
Thermal Properties ◽  
High Temperature ◽  
Polymer Matrix ◽  
Hybrid Material ◽  
Arylene Ether ◽  
Rubbery Phase ◽  
Maximum Extensibility

AbstractHigh-temperature poly(arylene ether) and hydroxypolybenzoxazole polymers were toughened using dispersed rubbery phases. This rubbery phase was a hybrid material which was in-situ generated within the polymer matrix using mixtures of partially-hydrolyzable trialkoxy and dialkoxy organosilanes with a fully hydrolyzable tetraalkoxysilane. The resulting materials were characterized with regard to their structures, mechanical properties (modulus, ultimate strength, maximum extensibility, and toughness), thermal properties, optical properties, and tendencies to absorb water. Some of the results are presented here.

scholarly journals Cesium polytungstates with blue-tint-tunable near-infrared absorption

RSC Advances ◽  
2020 ◽  
Vol 10 (18) ◽  
pp. 10491-10501
Author(s):  
Satoshi Yoshio ◽  
Masao Wakabayashi ◽  
Kenji Adachi
Keyword(s):  
Optical Properties ◽  
High Temperature ◽  
Infrared Absorption ◽  
Near Infrared

Revisiting Wöhler's method (1824), Cs-doped tungsten bronzes were synthesized by reducing Cs-polytungstate at high temperature, and were pulverized into nanoparticles for determining their optical properties.

Annealing behaviors of structural, interfacial and optical properties of HfO2 thin films prepared by plasma assisted reactive pulsed laser deposition

2010 ◽  
Vol 25 (4) ◽  
pp. 680-686 ◽  
Author(s):  
Zhifeng Ying ◽  
Wentao Tang ◽  
Zhigao Hu ◽  
Wenwu Li ◽  
Jian Sun ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Optical Properties ◽  
High Temperature ◽  
Pulsed Laser Deposition ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
High Temperature Annealing ◽  
Good Thermal Stability ◽  
Transmission Measurements ◽  
Deposited Films

The structure and properties of HfO2 films deposited by plasma assisted reactive pulsed laser deposition and annealed in N2 were studied upon thermal annealing as well as the evaluation of thermal stability by Fourier transform infrared spectroscopy, spectroscopic ellipsometry, and optical transmission measurements. The as-deposited HfO2 films appear predominantly monoclinic with an amorphous matrix which becomes crystallized after high-temperature annealing. No interfacial SiOx is observed for the as-deposited films on Si. The deposited HfO2 films exhibit good thermal stability and show excellent transparency in a wide spectral range with optical band gap energies of 5.65–5.73 eV depending on annealing temperature. An improvement in the optical properties by high-temperature annealing is also observed.

The Optical Properties of Liquid Chalcogens at High Temperature and Pressure

1994 ◽  
Vol 63 (4) ◽  
pp. 1611-1621 ◽  
Author(s):  
Hiroyuki Ikemoto ◽  
Itsuro Yamamoto ◽  
Makoto Yao ◽  
Hirohisa Endo
Keyword(s):  
Optical Properties ◽  
High Temperature ◽  
High Temperature And Pressure ◽  
Temperature And Pressure
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